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Filing Details

Accession Number:: 0001104659-15-049023
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-06-30 18:47:49
Reporting Period:: 2015-06-30

Filing Date:: 2015-06-30
Accepted Time:: 2015-06-30 18:47:49
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1454789	Catabasis Pharmaceuticals Inc	CATB	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1291804	Jean George	C/O Advanced Technology Ventures 500 Boylston Street Suite 1380 Boston MA 02108		Yes	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2015-06-30	674,446	$0.00	674,446	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	304,309	$0.00	978,755	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	574,979	$0.00	574,979	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	78,342	$0.00	78,342	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	155,188	$12.00	1,133,943	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	91,166	$12.00	666,145	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2015-06-30	12,422	$12.00	90,764	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnote
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A Preferred Stock	Disposition	2015-06-30	8,666,667	$0.00	674,446	$0.00
Common Stock	Series B Preferred Stock	Disposition	2015-06-30	3,910,392	$0.00	304,309	$0.00
Common Stock	Series B Preferred Stock	Disposition	2015-06-30	7,388,491	$0.00	574,979	$0.00
Common Stock	Series B Preferred Stock	Disposition	2015-06-30	1,006,712	$0.00	78,342	$0.00
Common Stock	Stock Option (right to buy)	Acquisiton	2015-06-30	11,094	$0.00	11,094	$12.21

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		No	4	C	Indirect
0		No	4	C	Indirect
0		No	4	C	Indirect
0		No	4	C	Indirect
11,094	2025-06-29	No	4	A	Direct

Footnotes

The Series A and Series B Preferred Stock converted into Common Stock on a 1-for-12.85 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A and B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.
These shares are held directly by Advanced Technology Ventures VIII, L.P. ("ATV VIII"). ATV Associates VIII, LLC ("ATV A VIII") is the General Partner of ATV VIII and exercises voting and dispositive authority over the shares held by ATV VIII. Voting and dispositive decisions of ATV A VIII are made collectively by Michael A. Carusi, Ms. George, Steven N. Baloff, Robert C. Hower and William C. Wiberg (collectively, the "ATV VIII Managing Directors"). Ms. George disclaims beneficial ownership of the shares held by ATV VIII except to the extent of their pecuniary interest therein.
These shares are owned directly by Lightstone Ventures, L.P. ("LSV"). LSV Associates, LLC ("LSV GP") is the General Partner of Lightstone Ventures, L.P. and exercises voting and dispositive authority over the shares held by LSV. Voting and dispositive decisions of LSV GP are made collectively by Michael A. Carusi, Jean George, Ralph E. Christoffersen and Henry A. Plain, Jr. Ms. George disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.
These shares are owned directly by Lightstone Ventures (A), L.P. ("LSV(A)"). LSV GP is the General Partner of LSV(A) and exercises voting and dispositive authority over the shares held by LSV(A). Voting and dispositive decisions of LSV GP are made collectively by Michael A. Carusi, Jean George, Ralph E. Christoffersen and Henry A. Plain, Jr. Ms. George disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.
This option was granted on June 30, 2015 and vests over three years, with one-third of the shares vesting on each anniversary of the grant date until the third anniversary of the grant date.